<template>
  <div>
    <div class="banner" @click="handleBannerClick">
      <img
      class="banner-img"
      :src="bannerImg" />
      <div class="banner-info">
        <div class="banner-title">{{this.sightName}}</div>
        <div class="banner-number">
          <span class="iconfont banner-icon">&#xe796;</span>
          {{this.gallaryImgs.length}}
        </div>
      </div>
    </div>
    <!--common-gallary会以一个slot的形式插入到FadeAnimation里面，从而加上动画效果  -->
     <fade-animation>
      <common-gallary
       :imgs="gallaryImgs"
       v-show="showGallary"
       @close="handleGallaryClose">
       </common-gallary>
     </fade-animation>
  </div>
</template>

<script>
  import CommonGallary from 'common/gallary/Gallary'
  import FadeAnimation from 'common/fade/FadeAnimation'
  export default {
    name:'DetailBanner',
    props:{
      sightName:String,
      bannerImg:String,
      gallaryImgs:Array
    },
    data () {
      return{
        showGallary:false
      }
    },
    methods:{
      handleBannerClick(){
        this.showGallary = true
      },
      handleGallaryClose () {
        // 控制画廊隐藏
        this.showGallary = false
      }
    },
    components:{
      CommonGallary,
      FadeAnimation
    }
  }
</script>

<style lang="stylus" scoped>
  // 防止页面抖动
  .banner
    overflow :hidden
    height :0
    padding-bottom :55%
    position :relative
    .banner-img
      width:100%
    .banner-info
      display :flex
      position :absolute
      bottom :0
      left :0
      right :0
      line-height :.6rem
      color :#fff
      background-image :linear-gradient(top,rgba(0,0,0,0),rgba(0,0,0,0.8))
      .banner-title
        flex:1
        font-size :.32rem
        padding :0 .2rem
      .banner-number
        height :.32rem
        margin-top :.14rem
        padding :0 .4rem
        line-height :.32rem
        border-radius :.2rem
        background :rgba(0,0,0, .8)
        font-size :.24rem
        .banner-icon
          font-size :.24rem



</style>
